Strength and Durability Like No Other

OX BLOX™ Trailer Jack Blocks are the epitome of strength. With a whopping 10,000 lbs. capacity, they are undisputedly the strongest trailer support blocks on the market today. Crafted with meticulous attention to detail, these blocks are as strong as an ox, hence the name.

But strength isn't the only thing they bring to the table. These blocks are made from 100% recycled plastic, making them a smart and eco-friendly choice. Moreover, they are UV resistant and can bear extreme temperatures, ensuring they're truly built to last.

OX BLOX Uses

Unmatched Versatility

The OX BLOX™ Trailer Jack Block is the ultimate support solution for various vehicles. Whether you own a camp trailer, a 5th wheel, a boat trailer, a horse trailer, or any vehicle that requires support blocks, OX BLOX™ has got you covered.

What makes these blocks versatile is their design. They are designed to support pad jacks, post jacks, stabilizer jacks, wheel jacks, and more. You can stack them for additional height and use them to support the frame.

Ox Blox In Use

Stability Across All Surfaces

Regarding stability, OX BLOX™ Trailer Jack Blocks are second to none. Their unique design ensures they hold stability across various surfaces, including gravel, grass, dirt, and pavement. Unlike other blocks that falter under different conditions, OX BLOX™ stands strong and doesn't falter.

OX BLOX MaxxIn Use

Proudly Made in the USA

OX BLOX™ Trailer Jack Blocks are proudly crafted in the USA. Each block is made from 100% recycled plastic, demonstrating our environmental commitment.

OX BLOX Ultra in Use

Invest in OX BLOX™ Today!

Invest in OX BLOX™ Trailer Jack Blocks today and experience the unbeatable combination of strength, durability, versatility, and stability. Remember, these blocks aren't just a purchase - they're an investment in safety and convenience. Whether you opt for the classic OX BLOX™ or the ULTRA version, you're choosing a product that is as strong as an ox and built to last a lifetime.

So why wait? Make OX BLOX™ a part of your trailer, camper, RV, or boat experience today! Your adventures deserve nothing less than the best.


Protech Products is a second-generation family-run business founded in 1989.  Our focus has always been on our customers and providing unrivaled customer service.

We promise you fair pricing, superior customer service & expert technical assistance.

If you’re ready to order your specialty construction products, visit us at protechonline.net or call us toll-free at 800-334-9815 to get started. If you’re bidding a job, you can also send your specifications and bid deadline, and we'll send you a free estimate.

If you need more guidance or have specific project or product questions, our team of experts is always happy to help. Call us at 800-334-9815 anytime between 7:30 AM to 5:00 PM, Monday through Friday.

We look forward to helping you soon!